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Thread: Is this drawing look somewhat OK

  1. #1
    DIY Junior Member music9704's Avatar
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    Default does this plumbing plan look somewhat OK

    Name:  Scan plumbing.jpg
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    Hey Guys,
    First wanted to say, Thank you, for this site. It has help me more than once.
    This house is a 1900's victorian home. The bath is on the 3rd floor. I have pretty much dry fitted the plumbing, but have been a little worried.
    Does this look ok. The house has slate shingles, and a steep pitch, so adding venting to the roof is not very easy, not easy at all. The shingles are also hard to find in this color. Thank you for any input
    CRM
    Last edited by music9704; 06-26-2013 at 07:41 PM.

  2. #2
    Moderator & Master Plumber hj's Avatar
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    Default dwv

    I have no idea which direction the pipes are running, but you CANNOT change an existing vent into a drain line.
    Licensed residential and commercial plumber

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    DIY Junior Member music9704's Avatar
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    Name:  DD plumbing.jpg
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    Thanks HJ.
    Here's additions to the picture that might be more helpful. I'm not using old vent lines for drainage.

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    DIY scratch-pad engineer leejosepho's Avatar
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    How much of that is original, new and/or being altered? What I think I see there *might* work okay if your lines are 2", but that is just a DIYer opinion since your vents do not appear to me to be in ideal locations.
    "Great minds discuss ideas, average minds discuss events and small minds discuss people." --Eleanor Roosevelt

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    DIY Junior Member music9704's Avatar
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    Thank you Lee
    We are redoing the whole bath. We moved everything. The washer was in the bathroom, we moved it to the adjoining room. I am a little worried about the wash being to close to the bathtub. I don't want to "sud up" the bathtub from the washing machine. On the left side of the vent is a sink base. We are going to put small 30" cabinet with 12" deep sink.
    On a side note:
    The persons that put the last bathtub in, cut a foot wide hole in three joist; there was only about 1/2" left in the bottom of the joist. I am really not sure how the floor didn't fall thru. We added three new joist.
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    Last edited by music9704; 06-27-2013 at 05:09 PM.

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    Forum Admin, Expert Plumber Terry's Avatar
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    The vents can be tied together at 42" above the floor.
    On the West Coast I have tied the washer in using 2", but I believe that the IPC, East Coast requires that the 2" P-trap dump into a 3" for suds control.

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    DIY Junior Member music9704's Avatar
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    Thank you Terry
    I will move the washer drain to the right side of the joist. That will allow it to tie into the 3". I saw this after dry fitting everything. I got worried about it, so I am glad I asked. I would much rather move it now.
    Thanks to all, been a great help..

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    In the Trades Tom Sawyer's Avatar
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    The washer has to drain into a 3" horizontal stack and cannot serve as a wet vent for the tub nor can the tub use its vent as a wet vent. Both fixtures must be individually vented. As it is now the tub is flat vented unless there is a lav upstream.
    [B]No, plumbing ain't rocket science. Unlike rocket science, plumbing requires a license[B]

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    DIY Junior Member music9704's Avatar
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    Thank you Tom
    I think understand the washer deal, no wet vent use, and drain into 3" line. I have changed the line to now run into the 3" line, to the right side of the joist (pic - right of the hammer). The bathtub is wet vented using the 30" x 12" kitchen sinkbase . I did however run a 2" line, in case someone wants to remove the cabinet, and use a bigger landuary tub. I think that we will never change the tub size, because of the tub venting problem. I really don't see aother way. I really appericate all the help. I would like to get this 100% right before gule up.
    Green 3" Main
    Blue 2" Washer drain
    Pink 2" Vents- joined at least 42" above Floor
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    Last edited by music9704; 06-28-2013 at 12:06 PM.

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    DIY Junior Member music9704's Avatar
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    I am running out of clean clothes. I am going to have to do it this way.
    Thank you. I will check this once more before glue up. inspection Mon, but I am going to go ahead and use wash.
    Last edited by music9704; 06-28-2013 at 12:12 PM.

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